KHUSNULWANTI, arifah; RUFAIDAH, D.; RIANA SARI, R. Upaya Peningkatan Kerja Sama dan Hasil Belajar Muatan IPS Melalui Model Problem Based Learning. PROSIDING SEMINAR NASIONAL PENDIDIKAN PROFESI GURU, [S. l.], v. 2, n. 1, p. 221–229, 2023. Disponível em: https://seminar.ustjogja.ac.id/index.php/semnas_ppg_ust/article/view/1565. Acesso em: 11 mei. 2024.